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It is called global warming because of greenhouse effect.and greenhouse effect happens when there is too much greenhouse gas in the atmosphere. Greenhouse gas is used for trapping some of the sun's heat for the earth's warmth.And when there are too much Greenhouse gas, all of the sun's heat gets trapped inside the earth, causing the earth's temperature to rise. Greenhouse effect is normally caused by human activities such as burning fossil fuels.

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9y ago
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9y ago

Global means it is happening all over the planet, and it is called warming because the average temperature of the atmosphere, oceans, and surface of the earth is rising.

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Q: Why is it called global warming?
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